/* TypeHandlerList.java
 * Component: ProperJavaRDP
 * 
 * Revision: $Revision: 12 $
 * Author: $Author: miha_vitorovic $
 * Date: $Date: 2007-05-11 04:49:09 -0700 (Fri, 11 May 2007) $
 *
 * Copyright (c) 2005 Propero Limited
 *
 * Purpose: 
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 * 
 * (See gpl.txt for details of the GNU General Public License.)
 * 
 */
package net.propero.rdp.rdp5.cliprdr;

import java.awt.datatransfer.DataFlavor;
import java.util.ArrayList;
import java.util.Iterator;

import net.propero.rdp.RdpPacket;

public class TypeHandlerList {

	ArrayList handlers = new ArrayList();

	private int count;

	public TypeHandlerList() {
		count = 0;
	}

	public void add(TypeHandler t) {
		if (t != null) {
			handlers.add(t);
			count++;
		}
	}

	public TypeHandler getHandlerForFormat(int format) {
		TypeHandler handler = null;
		for (Iterator i = handlers.iterator(); i.hasNext();) {
			handler = (TypeHandler) i.next();
			if ((handler != null) && handler.formatValid(format))
				return handler;
		}
		return null;
	}

	public TypeHandlerList getHandlersForMimeType(String mimeType) {
		TypeHandlerList outList = new TypeHandlerList();

		TypeHandler handler = null;
		for (Iterator i = handlers.iterator(); i.hasNext();) {
			handler = (TypeHandler) i.next();
			if (handler.mimeTypeValid(mimeType))
				outList.add(handler);
		}
		return outList;
	}

	public TypeHandlerList getHandlersForClipboard(DataFlavor[] dataTypes) {
		TypeHandlerList outList = new TypeHandlerList();

		TypeHandler handler = null;
		for (Iterator i = handlers.iterator(); i.hasNext();) {
			handler = (TypeHandler) i.next();
			if (handler.clipboardValid(dataTypes))
				outList.add(handler);
		}
		return outList;
	}

	public void writeTypeDefinitions(RdpPacket data) {
		TypeHandler handler = null;
		for (Iterator i = handlers.iterator(); i.hasNext();) {
			handler = (TypeHandler) i.next();
			data.setLittleEndian32(handler.preferredFormat());
			data.incrementPosition(32);
		}
	}

	public int count() {
		return count;
	}

	public TypeHandler getFirst() {
		if (count > 0)
			return (TypeHandler) handlers.get(0);
		else
			return null;
	}

	public Iterator iterator() {
		return handlers.iterator();
	}
}
